Package net.sf.saxon.expr

Class CurrentItemExpression

java.lang.Object

net.sf.saxon.expr.ComputedExpression

net.sf.saxon.expr.ContextItemExpression

net.sf.saxon.expr.CurrentItemExpression

All Implemented Interfaces:

java.io.Serializable, javax.xml.transform.SourceLocator, Container, Expression, InstructionInfoProvider

public class CurrentItemExpression
extends ContextItemExpression

The expression is generated when compiling the current() function in XSLT. It differs from the ContextItemExpression "." only in the error code that is returned when there is no context item.

See Also:

Serialized Form

Field Summary

Fields inherited from class net.sf.saxon.expr.ComputedExpression

locationId, staticProperties

Fields inherited from class net.sf.saxon.expr.ContextItemExpression

itemType

Fields inherited from interface net.sf.saxon.expr.Expression

EVALUATE_METHOD, ITERATE_METHOD, PROCESS_METHOD

Constructor Summary

Constructors

Constructor	Description
CurrentItemExpression()

Method Summary

Modifier and Type	Method	Description
protected java.lang.String	getErrorCodeForUndefinedContext()

Methods inherited from class net.sf.saxon.expr.ComputedExpression

adoptChildExpression, checkPermittedContents, computeDependencies, computeStaticProperties, doPromotion, dynamicError, effectiveBooleanValue, evaluateAsString, getCardinality, getColumnNumber, getConstructType, getDependencies, getExecutable, getHostLanguage, getImplementationMethod, getInstructionInfo, getLineNumber, getLocationId, getLocationProvider, getParentExpression, getPublicId, getSlotsUsed, getSpecialProperties, getSystemId, hasBadParentPointer, iterateSubExpressions, markTailFunctionCalls, process, promote, replaceSubExpression, resetStaticProperties, setLocationId, setParentExpression, setParentExpression, simplify, suppressValidation, typeError

Methods inherited from class net.sf.saxon.expr.ContextItemExpression

computeCardinality, computeSpecialProperties, copy, display, equals, evaluateItem, getIntrinsicDependencies, getItemType, hashCode, iterate, optimize, typeCheck

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CurrentItemExpression

public CurrentItemExpression()

Method Detail

getErrorCodeForUndefinedContext

protected java.lang.String getErrorCodeForUndefinedContext()

Overrides:

getErrorCodeForUndefinedContext in class ContextItemExpression